Glass diamond core drill bit DB-G1/2

Glass core drill bit is made of iron body and diamond content throughout the tip of the drill, used in table double drilling machine or vertical double drilling machine, such as Forvert, Intermac, Bavelloni etc. The thread size is 1/2 ", 1/4", according to the customers' machine. JY glass sintered drill bits create a quick penetration speed, no broken edges, no chipping, high efficiency.  Not only for drilling glass, but also drilling marble, tile, ceramic, porcelain, granite, stone, an ideal power tools.